Home > Pharmaceutical Standards > 1,3-Diphenyl-4-(2-(p-tolyl)hydrazono)-1H-pyrazol-5(4H)-one (6528-22-9)
1,3-Diphenyl-4-(2-(p-tolyl)hydrazono)-1H-pyrazol-5(4H)-one CAS 6528-22-9
Purity 97%+ In Stock Pharmaceutical Standards
CAS No. 6528-22-9
Molecular Formula C22H18N4O
Molecular Weight 354.40 g/mol
Category Pharmaceutical Standards / API Standards
Availability In Stock
Description 1,3-Diphenyl-4-(2-(p-tolyl)hydrazono)-1H-pyrazol-5(4H)-one (CAS 6528-22-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H18N4O. Molecular weight: 354.40 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties Molecular Formula C22H18N4O Molecular Weight 354.40 g/mol Appearance Pale yellow to yellow crystalline powder Purity 97%+ Storage Store at 2-8°C, protect from light Solubility (reference) Soluble in DMSO, DMF, methanol Stability Light-sensitive; avoid direct strong light Degree of Unsaturation (DBE) 16.0 UV Absorption UV-absorbing Structural Features Aromatic ring present CAS Registry Year (est.) 1958 Nitrogen Atoms 4
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